2M4/2M5/2M6/2M7
2-1 Mechanical Construction
2-1-1 Paper feed/ conveying section ..............................................................................................2-1-1
(1) Cassette paper feed/ paper conveying section ................................................................ 2-1-1
(2) Manual feed section (25/26 ppm model only)................................................................... 2-1-2
2-1-2 Drum section ......................................................................................................................... 2-1-4
2-1-3 Developer section .................................................................................................................. 2-1-5
2-1-4 Optical section ....................................................................................................................... 2-1-6
(1) Scanner unit .....................................................................................................................2-1-6
(2) Laser scanner section ...................................................................................................... 2-1-7
2-1-5 Transfer/Separation section ................................................................................................ 2-1-10
2-1-6 Fuser section ....................................................................................................................... 2-1-11
2-1-7 Duplex conveying/Eject section ........................................................................................... 2-1-13
2-1-8 Document processor (DP) ................................................................................................... 2-1-15
2-2 Electrical Parts Layout
2-2-1 Electrical parts layout ............................................................................................................ 2-2-1
(1) PWBs................................................................................................................................2-2-1
(2) Switches and sensors....................................................................................................... 2-2-3
(3) Others............................................................................................................................... 2-2-4
(4) Document processor (3 in 1 25/26 ppm model, 4 in 1 20/21, 25/26 ppm model)............. 2-2-5
2-3 Operation of the PWBs
2-3-1 Main PWB.............................................................................................................................. 2-3-1
(1) 3 in 1 25/26 ppm model, 4 in 1 20/21, 25/26 ppm model ................................................. 2-3-1
(2) 3 in 1 20/21 ppm model .................................................................................................... 2-3-8
2-3-2 Relay PWB PWB ................................................................................................................. 2-3-12
2-3-3 Power source PWB .............................................................................................................2-3-14
2-3-4 FAX control PWB................................................................................................................. 2-3-16
2-3-5 Operation panel PWB.......................................................................................................... 2-3-18
2-4 Appendixes
2-4-1 Maintenance kits.................................................................................................................... 2-4-1
(1) Maintenance kits...............................................................................................................2-4-1
2-4-2 Procedure for replacing Maintenance kit ............................................................................... 2-4-2
(1) Checking the components included and
preparing the paper-feed replacement unit for installation ............................................... 2-4-2
(2) Preparing the machine ..................................................................................................... 2-4-4
(3) Detaching the Drum unit................................................................................................... 2-4-6
(4) Detaching the developer unit............................................................................................ 2-4-7
(5) Detaching the toner disposal box ..................................................................................... 2-4-7
(6) Detaching and refitting the paper feed pulley and lower paper feed guide ...................... 2-4-8
(7) Refitting the toner disposal box ...................................................................................... 2-4-12
(8) Refitting the developer unit............................................................................................. 2-4-12
(9) Refitting the drum unit .................................................................................................... 2-4-13
(10) Detaching and refitting the transfer roller ....................................................................... 2-4-14
(11) Notice after replacing maintenance kit ........................................................................... 2-4-15
(12) Procedure for only replacing Drum unit .......................................................................... 2-4-17
(13) Procedure for only replacing Developer unit .................................................................. 2-4-18
2-4-3 Cleaning the Machine ..........................................................................................................2-4-20
(1) Interior of the Machine.................................................................................................... 2-4-20
(2) Slit Glass Cover..............................................................................................................2-4-21
To Next Page
Loading...
Need help?
General
